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The Proloop Field Strength Meter Plus from Williams Sound measures the magnetic field strength of induction loop systems, according to IEC 60118-4:2006 and BS 6083, Para. 4. Designed for professional use, the Proloop FSM Plus delivers reliable RMS values on the output level, response frequency, Automatic Gain Control (AGC) function, distortion and background noise in the tested induction loop. In addition, it enables the user to make an acoustic evaluation of the sound via earphones.
Conforms to IEC 60118-4: 2006 standard
Adjustment possibilities for two test ranges: background noise and field strength